Quantitative Aptitude - Arithmetic Ability Questions

Amit's age is four times the age of Babli. Babli's age is three times the age of Priya. If the present age of Priya is 5 years, what is the present age (in years) of Amit?

A shopkeeper by selling 13 Titan watches, earns a profit equal to the selling price of 3 Titan watches. His profit percentage is

[sinA/(1 + cosA)] + [(1 + cosA)/sinA] is equal to

If C + 1C = 3, then what is the value of C-37+1C7?

XYZ is a right angled triangle and ∠Y = 90°. If XY = 2.5 cm and YZ = 6 cm then the circumradius of ∆XYZ is

 In the triangle ABC, the internal bisector of angle A meets the side BC at D. If BD=7.5 cm and BC=9 cm. Then calculate the value of AB:AC.

If √(sec2A ­ 1) = x, then the value of x is

If 8x/3 + [7(5 - 2x/3)]/2 = 1/2 , then what is the value of x?